Apply the properties of angles to solve for unknown values in a triangle
In this formative you will find...
-Unit Notes
-Extra videos for understanding
-Textbook questions and answers for this topic
-A formative quiz to check your understanding
Please comple the following questions in your notebook. I will be doing periodic homework checks so make sure you do not lose it. You can check your work with the key at the end
Homework Questions
- Pg. 410 # 3-6, 11
- Class Notes
Textbook Questions Key
8.3 Formative Quiz
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
10.
Rectangle ABCD is inscribed in a circle with a radius of 5 cm. The length of the rectangle is 9 cm. What is the width of the rectangle? Record your answer to the nearest tenth (do NOT record units)
The region of the circle shown in blue is referred to as the
chord
minor arc
major arc
circumference
Line AB in the circle is referred to as the
central angle
chord
radius
subtended angle
Angle x in the circle is referred to as the
origin
inscribed angle
central angle
circular angle
Which of the following is true of angle y in the circle?
it must be 90 degrees
it must be twice the value of angle x
it must be the same as angle x
it must be half the value of angle x
Point A on the circle is said to be subtended by arc
AB
BC
CA
90o
What is the value of angle y in the circle?
30o
45o
180o
90o
Which of the following is true of angles w, x, y and z in the circle?
x is equal to y, but not to z and w
all four angles are the same
x is equal to z, but not to y and w
x is equal to w, but not to y and z
What is the value of angle C?
35o
17.5o
70o
11.7o
What must be the value of angle x? (Hint: a central angle will always make an isosceles triangle)